Polymer for Extending the Open Time of Waterborne Architectural Coatings
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United States of America Patent
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Issued Date -
Jun 28, 2012
app pub date -
Dec 23, 2010
filing date -
Dec 23, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to water soluble open time extenders, which are mixed with an architectural coating, such as aqueous latex paints, to increase the coating's open time and crosslink to the architectural coating upon drying. The open time extender comprises neutralized water soluble polymers with hydrophobic, hydrophilic and cross-linkable monomers, and at least one crosslinking agent. The open time extender also comprises water and the total solid content of the open time extender is less than about 25% by weight.
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Cited Art Landscape
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